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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4T45-E - Description And Operation >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, Fourth Gear - Torque Converter Clutch Applied (With Electronic Range Select Mode) >> Torque Converter Clutch Applied >> TCC Control Solenoid Valve

TCC Control Solenoid Valve

When conditions are appropriate, the PCM energized the TCC control solenoid valve in order to initiate the TCC apply. The solenoid valve is pulse width modulated (PWM) in order to provide a smooth TCC apply (Refer to the electrical controls section for a detailed description of the TCC control solenoid valve operation). When energized, the solenoid valve modulates the filtered 2-3 drive fluid into the TCC signal fluid circuit.

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